Thorax and Abdomen

Question 0

Internal Intercostals

Answer 0

Ax: Compress Ribcage
N: Intercostal Nn

Question 1

External Intercostals

Answer 1

Ax: Expand Ribcage
N: Intercostal Nn

Question 2

Transversus Thoracis

Answer 2

Ax: Compress Ribcage
N: Intercostal Nn

Question 3

Diaphragm

Answer 3

Ax: Increases thoracic volume
N: Phrenic Nn

Question 4

Rectus Abdominis

Answer 4

Ax: Flexes vert column, compresses abdomen & ribcage
N: intercostal Nn

Question 5

Transverse Abdominis

Answer 5

Ax: Flex & lat flex vert column, compress abdomen & ribcage (to expel abdomen contents & compress lungs)
N: Intercostal Nn

Question 6

External Oblique

Answer 6

Ax: Rotate, flex & lat flex vert column; compress abdomen & ribcage (to expel abdominal contents & compress lungs)
N: Intercostal Nn

Question 7

Internal Oblique

Answer 7

Ax: Rotate, flex & lat flex vert column; compress abdomen & ribcage (to expel abdominal contents & compress lungs)
N: Intercostal Nn

Question 8

Iliacus

Answer 8

O: Rim of iliac fossa, sacral ala
I: Lesser trochanter
Ax: Flexes hip
N: Femoral N

Question 9

Psoas Major

Answer 9

O: Transverse processes & bodies of lumbar vert & intervertebral discs
I: Lesser trochanter
Ax: Flexes hip, int rot hip, i/o flex trunk
N: Ventral rami of LUMBAR Nn

Question 10

Psoas Minor

Answer 10

Ax: Flexes lumbar vertebrae
N: Ventral rami of LUMBAR Nn

Question 11

Quadratus Lumborum

Answer 11

Ax: Extends & laterally flexes lumbar vertebrae
N: Ventral rami of LUMBAR Nn